<style>
#container{
  width:200px;
  border:1px solid red;
  padding:20px;
}
input[type="text"]{
  margin:10px;
  border:1px solid green;
}
.add{
color:blue;cursor:pointer;
}
</style>
<script type="text/javascript" src="js/jquery-1.8.2.min.js"></script>
<script type="text/javascript">
  $(document).ready(function(){
    
    $('.add').click(function(){
      var html = '<input type="text">';
      $('#container').append(html);
    });
  });
</script>
<h4 class="add">Add New</h4>
<div id="container"></div>